78Pt
Platinum
백금 · 白金
Transition metal
Atomic number78
ElementPt — Platinum
Atomic mass195.08
CategoryTransition metal
Group10
Period6
Electron config[Xe] 4f14 5d9 6s1
Shells2,8,18,32,17,1
State (RT)Solid
Melting pt1768°C
Boiling pt3825°C
Electronegativity2.28
Discovered1735
Main usesCatalytic converters, jewelry
2 · 8 · 18 · 32 · 17 · 1